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AISI 418 Stainless Steel vs. EN 1.4889 Cast Nickel

AISI 418 stainless steel belongs to the iron alloys classification, while EN 1.4889 cast nickel belongs to the nickel alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 418 stainless steel and the bottom bar is EN 1.4889 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
3.4
Fatigue Strength, MPa 520
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 1100
500
Tensile Strength: Yield (Proof), MPa 850
270

Thermal Properties

Latent Heat of Fusion, J/g 270
350
Maximum Temperature: Mechanical, °C 770
1160
Melting Completion (Liquidus), °C 1500
1360
Melting Onset (Solidus), °C 1460
1320
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 10
14

Otherwise Unclassified Properties

Base Metal Price, % relative 15
55
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.9
8.5
Embodied Energy, MJ/kg 41
120
Embodied Water, L/kg 110
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
14
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 38
18
Strength to Weight: Bending, points 29
18
Thermal Shock Resistance, points 40
13

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.35 to 0.45
Chromium (Cr), % 12 to 14
32.5 to 37.5
Iron (Fe), % 78.5 to 83.6
10.5 to 21.2
Manganese (Mn), % 0 to 0.5
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
42 to 46
Niobium (Nb), % 0
1.5 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
1.5 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0